
DEAD LETTER DEPT.
About This Game
DEAD LETTER DEPT. is a indie game designed for single-player, developed by Mike Monroe and Belief Engine and released in 2025. With an estimated 41,000 copies sold, it is considered a modest seller on Steam. With 1.6k reviews on Steam, it stands as a game with a solid review base on Steam. Community ratings across Steam average 95.7/100 — a exceptional reception overall. According to player data, the main story takes around 2.45 hours, with side content bringing that to 5.21 hours, and a completionist run can reach 9.9 hours. Players commonly describe it as Horror, Typing, Mystery, Simulation and Atmospheric.
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System Requirements
- Requires a 64-bit processor and operating system
- OS *: Windows 7 or higher, 64bit
- Processor: Intel CPU Core i3
- Memory: 8 GB RAM
- Graphics: Nvidia GTX 460
- Storage: 3 GB available space
- Additional Notes: Keyboard & Mouse required
- Requires a 64-bit processor and operating system
- OS: Windows 10
- Processor: Intel CPU Core i7
- Memory: 16 GB RAM
- Graphics: Nvidia GPU GeForce GTX 660 or higher
- Storage: 3 GB available space
- Additional Notes: Keyboard & Mouse required
- OS: Tested on Zorin, Ubuntu, SteamOS, Arch Linux
- Processor: Intel CPU Core i3 or AMD equivalent
- Memory: 8 GB RAM
- Graphics: Vulkan rendering capability required
- Storage: 3 GB available space
- Additional Notes: Keyboard required, SteamInput supported for SteamDeck
- OS: Zorin, Ubuntu, SteamOS
- Processor: Intel CPU Core i7 or AMD equivalent
- Memory: 16 GB RAM
- Graphics: Vulkan rendering capability required
- Storage: 3 GB available space
- Additional Notes: Keyboard & Mouse required











